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Helical Compression Spring Seat NSN 5340-00-342-3459

Item Description

A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore designed to accommodate the end of the spring. It is used to position the spring, but does not encase the spring or restrain lateral motion. It may be used in conjunction with a retainer, helical compression spring. Excludes washer (1), (as modified); seat, ball socket and holder, spring. See also rotor, engine poppet valve.

NSN 5340-00-342-3459 NSN: 5340-00-342-3459

Features and Characteristics

Chamfer Angle In Deg
7.125
Overall Height
0.5000 inches
First Step Diameter
1.4060 inches
First Step Length
Between 0.0570 inches and 0.0670 inches
Second Step Diameter
1.8130 inches
Bore Diameter
Between 0.6990 inches and 0.7030 inches
Seat Angle In Deg
30.000
Material Hardness Rating
51.0 rockwell c
Second End Diameter
1.6650 inches
Design Type
Solid
End Diameter
0.8590 inches
Bore Taper In Deg
7.125
Distance From End To First Step
Between 0.3080 inches and 0.3180 inches
Material
Steel, aisi 8640 or steel, sae 8640
Material
Steel, aisi 8640 or steel, sae 8640
Style Designator
Seat
Fsc Application Data
Engines, reciprocating, gasoline, except aircraft prime moving
FSC
5340 Commercial Hardware
NIIN
003423459
NSN
5340003423459

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
S749I204
Cage Code:
14351
Status:
A
MSDS:
Part Number:
811E123
Cage Code:
02413
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5340-00-342-3459
What are the manufacturers of nsn 5340003423459?
Does this nsn 5340003423459 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5340003423459
A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore designed to accommodate the end of the spring. it is used to position the spring, but does not encase the spring or restrain lateral motion. it may be used in conjunction with a retainer, helical compression spring. excludes washer (1), (as modified); seat, ball socket and holder, spring. see also rotor, engine poppet valve.
Does nsn 5340003423459 contain any precious metals?
Precious metal content is unknown.
Does nsn 5340003423459 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5340003423459?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
24328
FIIG:
T319-E
App. Key:
EA
Cond. Code:
1
Status:
A

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